Chair



FIG. 1 is a perspective view of my design for a chair;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a right side elevational view thereof, the left side being amirror image thereof;

FIG. 5 is a front elevational view thereof; and,

FIG. 6 is a back elevational view thereof.

I claim the ornamental design for a chair, as shown and described.